CVE-2023-21741: Microsoft 365 Apps

High severity, CVSS 7.1. EPSS: 1.8% chance of exploitation in the next 30 days.

Microsoft Office Visio Information Disclosure Vulnerability

Affected products

• Microsoft 365 Apps: affected versions not specified
• Microsoft Office: version 2019 only
• Microsoft Office Long Term Servicing Channel: version 2021 only
• Microsoft Visio: version 2013 only; version 2016 only

Published 2023-01-10. Last modified 2026-06-17.